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  1. PO
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    <p>Try something like this:</p> <p>Improvments include - compile images array once at load time, use interval instead of timeout, reference length of images array in for loop, start image loop where it last left off (optionally, continuous = true)</p> <p>I ran it to make sure there are not console errors, but I don't have all of your html to check against...so let me know if it works for you.</p> <p>Updated JS:</p> <pre><code>var cdn_url = 'http://telus-nezavisnost.com/videos/'; var thumbs = 5; var images = []; var iterator = []; var continuous = false; var image_interval; var init_thumb; //global functions var changeThumb = function(id, cdn_url){ document.getElementById(id).src = cdn_url; } var initThumbs = function(selector){ for ( var i=0; i&lt;thumbs; i++ ) { var image_id = selector.attr("id"); var id_split = image_id.split('_'); var one = id_split[1]; var two = id_split[2]; var image_url = cdn_url + one + '/' + two + '/' + i + '.jpg'; var image = new Image(); image.src = image_url; if( images[image_id] === undefined ){ images[image_id] = []; } images[image_id][i] = image; } } $(function() { $("img[id*='tmb_']").mouseover(function(){ init_thumb = $(this).attr('src'); initThumbs($(this)); var image_id = $(this).attr("id"); var image_count = images[image_id].length; if( !(iterator.hasOwnProperty(image_id)) || !continuous ){ iterator[image_id] = 1; } image_interval = setInterval(function(){ changeThumb(image_id, images[image_id][iterator[image_id]].src); if( iterator[image_id] &lt; ( image_count - 1 ) ){ iterator[image_id]++; }else{ iterator[image_id] = 1; } }, 200); }).mouseout(function(){ var image_id = $(this).attr("id"); clearInterval(image_interval); if( !continuous ){ changeThumb(image_id, init_thumb); } }); }); </code></pre>
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    1. POChange thumbs on mouse hover
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    1. USEric Uldall
    1. USEric Uldall
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    1. POChange thumbs on mouse hover
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      1. VTUpMod
    1. COHmm there is error `TypeError: images[image_id][iterator[image_id]] is undefined changeThumb(image_id, images[image_id][iterator[image_id]].src);`
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      1. USMilan Milosevic
    2. COBut also i think is not a good idea load all images when page is loaded, because i have there 50+ thumbs this will be 50*10 = 500 images loaded and once
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      1. USMilan Milosevic
    3. COit doesn't load them all. it just saves the paths to the images array.
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      1. USEric Uldall
 

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